<template>
  <Dialog
    :title="dialogTitle"
    v-model="dialogVisible"
    top="10vh"
    width="50%"
    class="notice-form-dialog"
  >
    <el-form
      ref="formRef"
      :model="formData"
      :rules="formRules"
      label-width="100px"
      v-loading="formLoading"
    >
      <el-form-item label="通知标题" prop="noticeTitle">
        <el-input v-model="formData.noticeTitle" placeholder="请输入通知标题" />
      </el-form-item>
      <el-form-item label="图标" prop="iconUrl">
        <UploadImg v-model="formData.iconUrl" />
      </el-form-item>
      <el-form-item label="分类" prop="noticeType">
        <el-select v-model="formData.noticeType" placeholder="请选择分类">
          <el-option
            v-for="dict in getStrDictOptions(DICT_TYPE.SCHOOL_NOTICE_TYPE)"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="通知范围" prop="userIds">
        <div class="flex flex-wrap gap-2">
          <div
            v-for="user in selectedUsers"
            :key="user.id"
            class="bg-gray-100 h-35px rounded-3xl flex items-center pr-8px dark:color-gray-600 position-relative"
          >
            <el-avatar class="!m-5px" :size="28" v-if="user.avatar" :src="user.avatar" />
            <el-avatar class="!m-5px" :size="28" v-else>
              {{ user.nickname.substring(0, 1) }}
            </el-avatar>
            {{ user.nickname }}
            <Icon
              icon="ep:close"
              class="ml-2 cursor-pointer hover:text-red-500"
              @click="handleRemoveUser(user)"
            />
          </div>
          <el-button type="primary" link @click="openUserSelect">
            <Icon icon="ep:plus" />选择人员
          </el-button>
        </div>
        <el-tooltip
          class="item"
          :content="'如果不选择人员，代表通知范围是全体人员'"
          effect="light"
          placement="top"
        >
          <Icon icon="ep:question-filled" class="ml-5px" />
        </el-tooltip>
      </el-form-item>

      <el-form-item label="排序" prop="sort">
        <el-input-number v-model="formData.sort" :min="0" clearable controls-position="right" />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-radio-group v-model="formData.status">
          <el-radio
            v-for="dict in getIntDictOptions(DICT_TYPE.COMMON_STATUS)"
            :key="dict.value"
            :label="dict.value"
          >
            {{ dict.label }}
          </el-radio>
        </el-radio-group>
      </el-form-item>

      <el-form-item label="发布时间" prop="startTime">
        <el-date-picker
          v-model="formData.startTime"
          type="date"
          value-format="x"
          placeholder="选择发布时间"
        />
      </el-form-item>
      <el-form-item label="过期时间" prop="endTime">
        <el-date-picker
          v-model="formData.endTime"
          type="date"
          value-format="x"
          placeholder="选择过期时间"
        />
      </el-form-item>
      <el-form-item label="通知内容" prop="noticeContent">
        <Editor v-model="formData.noticeContent" height="150px" />
      </el-form-item>
      <el-form-item label="附件" prop="fileUrls">
        <UploadFile v-model="formData.fileUrls" />
      </el-form-item>
    </el-form>
    <template #footer>
      <el-button @click="submitForm" type="primary" :disabled="formLoading">确 定</el-button>
      <el-button @click="dialogVisible = false">取 消</el-button>
    </template>
  </Dialog>

  <!-- 用户选择弹窗 -->
  <UserSelectForm
    ref="userSelectFormRef"
    isInitGet
    notSuccessMessage
    @confirm="handleUserSelectConfirm"
  />
</template>
<script setup lang="ts">
import { getIntDictOptions, getStrDictOptions, DICT_TYPE } from '@/utils/dict'
import { NoticeApi, NoticeVO } from '@/api/school/notice'
import { UserVO } from '@/api/system/user'
import { isString } from '@/utils/is'
/** 通知 表单 */
defineOptions({ name: 'NoticeForm' })

const { t } = useI18n() // 国际化
const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const dialogTitle = ref('') // 弹窗的标题
const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
const formType = ref('') // 表单的类型：create - 新增；update - 修改
const formData = ref({
  id: undefined,
  noticeTitle: undefined,
  iconUrl: undefined,
  noticeType: undefined,
  userIds: undefined,
  noticeContent: undefined,
  fileUrls: [],
  sort: undefined,
  status: 0,
  deptId: undefined,
  startTime: undefined,
  endTime: undefined
})
const formRules = reactive({
  noticeTitle: [{ required: true, message: '通知标题不能为空', trigger: 'blur' }],
  noticeType: [{ required: true, message: '分类不能为空', trigger: 'change' }],
  sort: [{ required: true, message: '排序不能为空', trigger: 'blur' }],
  status: [{ required: true, message: '状态不能为空', trigger: 'blur' }],
  startTime: [{ required: true, message: '发布时间不能为空', trigger: 'blur' }],
  endTime: [{ required: true, message: '过期时间不能为空', trigger: 'blur' }],
  noticeContent: [{ required: true, message: '通知内容不能为空', trigger: 'blur' }]
})
const formRef = ref() // 表单 Ref
const selectedUsers = ref<UserVO[]>([])
const userSelectFormRef = ref()

/** 处理用户选择确认 */
const handleUserSelectConfirm = (_, users: UserVO[]) => {
  selectedUsers.value = users || []
}

/** 打开人员选择 */
const openUserSelect = () => {
  userSelectFormRef.value.open(0, selectedUsers.value)
}

/** 移除人员 */
const handleRemoveUser = (user: UserVO) => {
  selectedUsers.value = selectedUsers.value.filter((userItem: any) => userItem.id !== user.id)
}

/** 打开弹窗 */
const open = async (type: string, id?: number) => {
  dialogVisible.value = true
  dialogTitle.value = t('action.' + type)
  formType.value = type
  resetForm()

  //设置状态默认值
  formData.value.status = getIntDictOptions(DICT_TYPE.COMMON_STATUS)[0].value

  // 修改时，设置数据
  if (id) {
    formLoading.value = true
    try {
      formData.value = await NoticeApi.getNotice(id)
      if (isString(formData.value?.fileUrls)) {
        formData.value.fileUrls = JSON.parse(formData.value?.fileUrls)
      }
    } finally {
      formLoading.value = false
    }
  }
}
watch(
  () => {
    return {
      formData: formData.value,
      userList: userSelectFormRef.value?.userList
    }
  },
  ({ formData, userList }: any) => {
    if (formData?.userIds?.length && userList?.length) {
      // 设置选中人员
      selectedUsers.value = userList.filter((userItem: any) =>
        formData.userIds.includes(userItem.id)
      )
    }
  },
  {
    deep: true
  }
)
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

/** 提交表单 */
const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
const submitForm = async () => {
  // 校验表单
  await formRef.value.validate()
  // 提交请求
  formLoading.value = true
  try {
    const userIds: any = selectedUsers.value?.map((user: any) => user.id)
    formData.value.userIds = userIds
    const data = formData.value as unknown as NoticeVO
    if (formType.value === 'create') {
      await NoticeApi.createNotice(data)
      message.success(t('common.createSuccess'))
    } else {
      await NoticeApi.updateNotice(data)
      message.success(t('common.updateSuccess'))
    }
    dialogVisible.value = false
    // 发送操作成功的事件
    emit('success')
  } finally {
    formLoading.value = false
  }
}

/** 重置表单 */
const resetForm = () => {
  formData.value = {
    id: undefined,
    noticeTitle: undefined,
    iconUrl: undefined,
    noticeType: undefined,
    userIds: undefined,
    noticeContent: undefined,
    fileUrls: [],
    sort: undefined,
    status: 0,
    deptId: undefined,
    startTime: undefined,
    endTime: undefined
  }
  formRef.value?.resetFields()
  selectedUsers.value = []
}
</script>
<style lang="scss">
.notice-form-dialog {
  .el-dialog__body {
    max-height: 600px;
    overflow-y: auto;
  }

  &.is-fullscreen {
    .el-dialog__body {
      max-height: calc(
        100vh - (var(--el-dialog-padding-primary) * 2) - var(--el-dialog-padding-primary) - 32px -
          54px - 15px
      );
    }
  }
}
</style>
